Grand Trunk Unisex Hammock Sleeping Bag 32&Acirc;&deg; Bag is rated to 32 degrees Fahrenheit Mummy-style design is insulated with lightweight Thinsulate insulation Bungee cord loop at the bottom cinches the bag around the hammock to keep cold air out Full-length left and right zippers offer ventilation and let you get in from either side Hook-and-loop closure tab at the top secures the bag snugly around your shoulders